Home / 2,185,855.29-3,279,001.68-669,520.71

Finding the Fourth Proportional to 2,185,855.29, 3,279,001.68 and 669,520.71

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Solution

The fourth proportional to 2,185,855.29, 3,279,001.68 and 669,520.71 is: 1,004,348.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,855.29 : 3,279,001.68 = 669,520.71 : x
  2. Step 2: Convert to fraction form
    2,185,855.29/3,279,001.68 = 669,520.71/x
  3. Step 3: Cross multiply
    2,185,855.29x = 3,279,001.68 × 669,520.71
  4. Step 4: Simplify right side
    2,185,855.29x = 2,195,359,532,884.79
  5. Step 5: Solve for x
    x = 2,195,359,532,884.79/2,185,855.29
  6. Step 6: Final answer
    x = 1,004,348.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.